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What is the Least Common Multiple of 26381 and 26401?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 26381 and 26401 is 696484781.

LCM(26381,26401) = 696484781

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Least Common Multiple of 26381 and 26401 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26381 and 26401, than apply into the LCM equation.

GCF(26381,26401) = 1
LCM(26381,26401) = ( 26381 × 26401) / 1
LCM(26381,26401) = 696484781 / 1
LCM(26381,26401) = 696484781

Least Common Multiple (LCM) of 26381 and 26401 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26381 and 26401. First we will calculate the prime factors of 26381 and 26401.

Prime Factorization of 26381

Prime factors of 26381 are 23, 31, 37. Prime factorization of 26381 in exponential form is:

26381 = 231 × 311 × 371

Prime Factorization of 26401

Prime factors of 26401 are 17, 1553. Prime factorization of 26401 in exponential form is:

26401 = 171 × 15531

Now multiplying the highest exponent prime factors to calculate the LCM of 26381 and 26401.

LCM(26381,26401) = 231 × 311 × 371 × 171 × 15531
LCM(26381,26401) = 696484781